1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
jeyben [28]
3 years ago
8

H=39t-5t2 find all the values of t for which the rockets hight is 22 meters

Mathematics
1 answer:
uysha [10]3 years ago
5 0
I believe that for this question you will use the quadratic equation which is: (-b +/- sqrt(b^2-4(a)(c))/2a   Plug in -5=a, 39=b, 22=c and that should give you 2 answers for t.  
You might be interested in
A new machine makes three times as many toys in one hour as the old machine did it both machines make a total of 248 toys in one
ioda

Answer:

I am assuming you meant that the old machine made 248 toys in one hour instead of both if that is the case then the answer would be 744.

Steph-by-step explanation:

The new machine makes three times as many as the old machine so 248 times 3 = 744 toys in one hour

3 0
3 years ago
5• (4 • x ) simplified
Olegator [25]

Step-by-step explanation:

= 5 • ( 4• x )

= 5 ( 4x )

= 20x

...

8 0
2 years ago
Please help it’s a test and I can’t get logged out
HACTEHA [7]

Answer:

the anwer is B ( i mean second option)

And you can try it

you will find ;

y =  \frac{x}{3}  - 1

HAVE A NİCE DAY

Step-by-step explanation:

GREETİNGS FROM TURKEY ツ

5 0
3 years ago
The depth of snow after n hours of a snowstorm is represented by the function f(n + 1) = f(n) + 0.8 where f(0) = 2.5. Which stat
Alja [10]
C

"When the storm began", it means it has been snowed for 0 hours, so n=0.
f(0)=2.5, thus the <span>depth of snow was 2.5 inches when the storm began.

f(n+1)=f(n)+0.8, so f(n+1)-f(n)=0.8
it means when the time increases by one hour, the depth of snow increases by 0.8 inches.</span>
4 0
3 years ago
Read 2 more answers
OK right image and easier to read lol
Brums [2.3K]

Answer:

you want us to do all that

Step-by-step explanation:

6 0
3 years ago
Other questions:
  • Simone is going snowboarding tomorrow if the temperature is equal to or colder than 5 degrees C. Write an inequality that is tru
    7·2 answers
  • Olivia and 4 friends order 1 Chocco-Brocco bar to share equally, what fraction is the WHOLE Chocco-Brocco bardoes each of the fr
    7·1 answer
  • What number must you add to complete the square?<br> x^2+12x=-3
    6·1 answer
  • PLEASEEE HELP ME is for my math test and i need this answer i would give 15 points but please help me
    8·1 answer
  • PLs do question three At the bottom is question 3
    8·2 answers
  • Whats 3 x 7/ 4 - 203 x 54/5???
    10·1 answer
  • Using the image below to answer the question. Using the segment addition postulate find the value of X
    6·2 answers
  • Find the area of this trapezoid. The Bases are 8<br> inches and 2.2 inches. The height is 4 inches.
    13·1 answer
  • Can someone helppp Mr. Jones surveyed 300 men and 250 women about their vehicles. Of those surveyed, 78
    12·1 answer
  • Please help me with this. I need to solve for x. <br> 4ln(7x+3)+12=40
    11·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!